netdev - Re: [PATCH] net/macb: fix ISR clear-on-write behavior only for some SoC

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Message-ID: <20130514070147.GB29391@pengutronix.de>
Date:	Tue, 14 May 2013 09:01:47 +0200
From:	Steffen Trumtrar <s.trumtrar@...gutronix.de>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
	hein_tibosch@...oo.es, michal.simek@...inx.com,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] net/macb: fix ISR clear-on-write behavior only for
 some SoC

Hi!

On Mon, May 13, 2013 at 06:05:05PM +0200, Nicolas Ferre wrote:
> Commit 749a2b6 (net/macb: clear tx/rx completion flags in ISR)
> introduces clear-on-write on ISR register. This behavior is not always
> implemented when using Cadence MACB/GEM and is breaking other platforms.
> We are using a new Device Tree compatibility string and a capability
> property to actually activate this clear-on-write behavior on ISR.
> 
> Reported-by: Hein Tibosch <hein_tibosch@...oo.es>
> Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
> ---
>  Documentation/devicetree/bindings/net/macb.txt |  2 ++
>  drivers/net/ethernet/cadence/macb.c            | 15 +++++++++++++--
>  drivers/net/ethernet/cadence/macb.h            |  5 +++++
>  3 files changed, 20 insertions(+), 2 deletions(-)
> 

Looks okay to me:

Acked-by: Steffen Trumtrar <s.trumtrar@...gutronix.de>

Thanks,
Steffen

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